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Acritoparamys ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4828134	https://www.gbif.org/species/4828134
PaleoBioDB ID (PBDB)	41391	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=41391

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Acritoparamys

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Synapsida	Osborn 1903
-	Therapsida
infraorder	Cynodontia
-	Epicynodontia	Hopson and Kitching 2001
infraorder	Eucynodontia	Kemp 1982
-	Probainognathia	Hopson 1990
-	Mammaliamorpha	Rowe 1988
-	Mammaliaformes	Rowe 1988
class	Mammalia	Linnaeus 1758
subclass	Tribosphenida
infraclass	Eutheria
-	Placentalia	Owen 1837
-	Euarchontoglires	Murphy et al. 2001
-	Glires
order	Rodentia
family	Ischyromyidae	Alston 1876
genus	Acritoparamys	Korth 1984

Scientific Name

Acritoparamys Korth, 1984

Name Published In

Bulletin Carnegie Mus. Nat. Hist. No. 24

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Acritoparamys	genus	belongs to Ischyromyidae	stated without evidence	Korth, 1984
Acritoparamys	genus	belongs to Ischyromyidae	implied	McKenna and Bell, 1997

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

56.8 - 55.8 Ma
Paleogene

Last Recorded Appearance

50.3 - 46.2 Ma
Eocene

Environment

terrestrial (based on Eutheria)

Motility

actively mobile (based on Osteichthyes)

Diet

herbivore (based on Rodentia)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

W. W. Korth. 1984. Earliest Tertiary evolution and radiation of rodents in North America. Bulletin of Carnegie Museum of Natural History 24:1-71

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Acritoparamys wutui ✝ species	accepted (GBIF) listed (PBDB)	1	55.8 Ma Eocene	55.8 Ma Eocene
Microparamys wyomingensis ✝ species	accepted (GBIF) listed (PBDB)	10	50.3 Ma Eocene	50.3 Ma Eocene
Paramys atavus ✝ species	accepted (GBIF) listed (PBDB)	4	56.8 Ma Paleocene	55.8 Ma Eocene
Paramys atwateri ✝ species	accepted (GBIF) listed (PBDB)	28	56.8 Ma Paleocene	55.8 Ma Eocene
Paramys francesi ✝ species	accepted (GBIF) listed (PBDB)	7	55.8 Ma Eocene	50.3 Ma Eocene
Reithroparamys pattersoni ✝ species	accepted (GBIF) listed (PBDB)	5	55.8 Ma Eocene	55.8 Ma Eocene

Synonymy List

Year	Name and Author
1984	Acritoparamys Korth
1997	Acritoparamys McKenna and Bell

References

Korth W. W. (1984) Earliest Tertiary evolution and radiation of rodents in North America, Bulletin of Carnegie Museum of Natural History 24, 1-71

McKenna M. C., Bell S. K. (1997) , Classification of Mammals Above the Species Level, 1-640

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

SN2000/McKenna & Bell, 1997 - via The Interim Register of Marine and Nonmarine Genera

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

Bulletin Carnegie Mus. Nat. Hist. No. 24 - via The Interim Register of Marine and Nonmarine Genera

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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